diff options
Diffstat (limited to 'lib/libstand/readdir.c')
-rw-r--r-- | lib/libstand/readdir.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/lib/libstand/readdir.c b/lib/libstand/readdir.c new file mode 100644 index 0000000..e49d93d --- /dev/null +++ b/lib/libstand/readdir.c @@ -0,0 +1,51 @@ +/*- + * Copyright (c) 1999,2000 Jonathan Lemon <jlemon@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include "stand.h" + +struct dirent * +readdirfd(int fd) +{ + static struct dirent dir; /* XXX not thread safe */ + struct open_file *f = &files[fd]; + + if ((unsigned)fd >= SOPEN_MAX || !(f->f_flags & F_READ)) { + errno = EBADF; + return (NULL); + } + if (f->f_flags & F_RAW) { + errno = EIO; + return (NULL); + } + errno = (f->f_ops->fo_readdir)(f, &dir); + if (errno) + return (NULL); + return (&dir); +} |